Steven Naudet

SQL Server 2022 Parameter Sensitive Plan optimization

Introduction The Intelligent Query Processing (IQP) feature family is extended with SQL Server 2022.One of the most anticipated features is the Parameter Sensitive Plan optimization. I started to test this new feature. In this post, you will find some(…)

SQL Server 2022 public preview available

This is a small blog post to share that the SQL Server 2022 public preview is available for download. The Microsoft announcement blog post and a summary of the new feature are available here : Announcing SQL Server 2022(…)

SQL Server: Find who forced a plan in Query Store with this new XEvent

The latest Cumulative Update for SQL Server 2019 has been released this week on Monday. It brings many bug fixes and some small improvements. One of these improvements is the addition of an extended event to identify the(…)

SQL Server: Automatic Soft-NUMA and uneven CPU load

SQL Server has CPU limitations depending on the Edition. If your VM is not configured properly you can reach these limits very easily. In a previous post, I described the effect VM misconfigurations can have on performance because not(…)

SQLBits 2022 – Levelling up my Performance Tuning skills

As a consultant at dbi services, I am lucky enough to have time dedicated to training and conferences. This week I have the chance to attend one of the most important conferences for Data professionals: SQLBits 2022.

dbi Event Recap: SQL Server Automatic Tuning and Query Store

Earlier this month, dbi services hosted a free multi-technology event. Details are available on our website. I had the opportunity to present a session about the Query Store and the Automatic Tuning feature available on SQL Server and(…)

SQL Server: Is Fill Factor applied during INSERT?

The Fill factor setting controls the amount of space that is left available on the index data pages. The goal is to allow new rows to be inserted or existing ones to change size (UPDATE)  without resulting in(…)

SQL Server: table variables performance limitations

Doing some performance troubleshooting for one of my customers I identified some issues with very large table variables inside Stored procedures. Table variables limitations are not well understood by developers although they are now well documented. Table variable(…)

SQL Server: Fixing another huge MSDB database – 80GB+

I have blogged several times about unusually large MSDB databases like here. Most of the time the problem comes from the backup history which is never purged. This time it’s different. Try to guess, if not the(…)

Virtual Symposium SQL Server & Azure SQL – Session: Debugging without debugger

As a consultant at dbi services we can dedicate a significant part of our time to training and I took the opportunity today to attend an online conference. In this blog post, I will present this event and(…)